779900877

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1\times {\mathrm{449}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 1310400000

約数和(自身を除く): 530499123

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 349, 449, 553, 711, 1047, 1347, 1659, 2443, 3141, 3143, 4041, 4977, 7329, 9429, 21987, 27571, 28287, 35471, 82713, 106413, 156701, 192997, 248139, 248297, 319239, 470103, 578991, 744891, 1096907, 1410309, 1736973, 2234673, 3290721, 9872163, 12379379, 37138137, 86655653, 111414411, 259966959, 779900877]

約数ペア:

[(1, 779900877), (3, 259966959), (7, 111414411), (9, 86655653), (21, 37138137), (63, 12379379), (79, 9872163), (237, 3290721), (349, 2234673), (449, 1736973), (553, 1410309), (711, 1096907), (1047, 744891), (1347, 578991), (1659, 470103), (2443, 319239), (3141, 248297), (3143, 248139), (4041, 192997), (4977, 156701), (7329, 106413), (9429, 82713), (21987, 35471), (27571, 28287)]